Seiko × Kinnikuman Limited Edition – Ref. 7N42-1AH0 (No. 150/300)

A limited special edition from the popular series of Japanese Seiko collaborations dedicated to iconic pop culture heroes. This watch was created in cooperation with the legendary manga and anime franchise "Kinnikuman" (キン肉マン) – one of Japan's most famous and long-running superhero series.

The model is limited to 300 pieces worldwide – the present example bears the serial number 150/300 – and was produced exclusively for the Japanese market.

The design follows the classic Seiko diver aesthetic, combined with subtle references to the manga character:

• the “K” symbol (Kinnikuman emblem) at 12 o’clock,

• the word KINNIKUMAN in red above 6 o'clock,

• The helmet or mask symbol of the figure as an index at 6 o'clock.

The case back features a detailed engraving of Kinnikuman's face – the character's iconic trademark.

Technical data

• Model: Seiko × Kinnikuman Limited Edition
• Reference: 7N42-1AH0
• Limited edition: 300 pieces (No. 150/300)
• Movement: Seiko Caliber 7N42 , Quartz (Date)
• Functions: Hour, minute, second, date
• Case: Stainless steel, polished/brushed
• Diameter: 41 mm (excluding crown)
• Height: 10 mm
• Lug-to-lug: 47.3 mm
• Lug width: 20 mm
• Glass: Hardlex crystal
• Bezel: unidirectional rotating (diver style)
• Water resistance: 10 bar (100 m)
• Weight: 116 g (with stainless steel band)
• Bracelet: solid stainless steel bracelet with safety folding clasp
• Condition: new/unworn
• Origin: Made in Japan

Background to the character Kinnikuman (キン肉マン)

Kinnikuman – created by the artist duo Yudetamago (Takashi Shimada & Yoshinori Nakai) – first appeared in 1979 in the magazine Weekly Shōnen Jump . Originally intended as a parody of superheroes, the series developed into one of the biggest manga phenomena of the 1980s.

The protagonist Suguru Kinniku , a somewhat clumsy superhero from the planet Kinniku, fights against bizarre opponents in spectacular wrestling tournaments (Chōjin Olympics) – a mixture of humor, friendship and fighting spirit that achieved cult status in Japan.

The series spawned countless spin-offs, anime adaptations, and an international fanbase, especially through the US series Ultimate Muscle . In Japan, Kinnikuman is now considered one of the central figures of "Shōwa hero culture," on par with Ultraman or Mazinger Z.

The stylized “K” symbol on the dial and case back stands for “Kinniku” (筋肉, Japanese for muscle ), the central theme of the series – strength, courage and humor.

Design and features

• Classic Seiko diver look with strong luminous indices
• Limited edition number engraved on the case back
• Engraving of the Kinnikuman face (helmet mask)
• Detailed typography and distinctive red-black color scheme
• Sold exclusively in Japan, never officially exported

Market and collector valuation

This strictly limited edition combines Seiko's classic sports watch aesthetic with iconic Japanese pop culture, making it highly sought after by both Seiko and manga collectors. Due to its small production run and strong nostalgia factor, its secondary market price has risen significantly in recent years.

• Rarity: extremely high (300 pieces)
• Design: a successful pop culture crossover
• Collector's value: high, especially for a complete set
• Condition: new, unworn

Warranty (used)
This is a used item. The limitation period for claims based on defects (statutory warranty) is 12 months from delivery.

Notice
As this is a pre-owned watch, water resistance cannot be guaranteed. To protect the movement, the watch should not come into contact with water or moisture.