Seiko Lord Matic 5606-7010 – December 1970 – 25 Jewels – JDM Vintage Classic – freshly serviced

The Seiko Lord Matic is a central component of Seiko's major mechanical expansion phase around 1970. This example of reference 5606-7010 is proven to be from December 1970, placing it exactly within the core period of the legendary "Golden Era" of Japanese watchmaking.

Historical Classification

The Lord Matic was clearly positioned within the Seiko hierarchy:

• below King Seiko and Grand Seiko
• above standard Seiko models
• with its own technical Anspruch

Especially around 1970, Seiko achieved an exceptional level in construction, manufacturing, and design – parallel to the development of its high-end lines.

This model is therefore not an "entry-level model" but part of a systematically built quality architecture.

Design

Typical for this phase:

• silver sunburst dial
• applied, faceted indices
• clear, functional hand geometry
• bilingual Day-Date display (Kanji / English)
• balanced proportions with high wearing comfort

The design already follows the same formal logic found in King Seiko: clarity, precision, no superfluous elements.

Technology

• Caliber: Seiko 5606 (Automatic)
• 25 Jewels
• Manual winding + automatic
• Day-Date with quick adjustment
• Production: early 1970s

The 56 caliber belongs to the same technical family as the movements in King Seiko and is considered one of the most important automatic movements of this era.

Condition

• very good overall condition
• clean, original dial
• case with authentic, light patina
• original Seiko steel bracelet with LM clasp
• fully serviced in Japan (November 2025)
• technically flawless

The service in Japan is a key value driver, as it secures the long-term function of the 5606 caliber.

Technical Data

• Reference: 5606-7010
• Production date: December 1970
• Movement: Seiko 5606 Automatic
• Diameter: 37 mm (without crown)
• Lug-to-Lug: 40.3 mm
• Height: 9.7 mm
• Lug width: 18 mm
• Weight: 71 g
• Case: Stainless steel
• Bracelet: original Seiko steel bracelet

Collector's Classification

This watch is particularly interesting because it:

• comes from the core production phase of 1970
• shows a classic, unadulterated LM design
• is equipped with the technically relevant 56 caliber
• has a recent service

This places it clearly above the level of many unkempt market offerings.

Warranty (used)

This is a used item. The limitation period for defect claims (statutory warranty) is 12 months from delivery.

Note

As this is a used watch, no water resistance can be guaranteed. To protect the movement, the watch should not come into contact with water or moisture.