Seiko Cal. 5641 - 206

This Hand-Winding model from 1987 features a 34mm Hardlex-Coated Steel case. Powered by the 5641 caliber with 31j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-d6df8796ccde]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1987

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