Seiko Cal. 5688 - 103

This Spring Drive model from 1968 features a 42mm PVD Black case. Powered by the 5688 caliber with 36j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-6d9ffed65590]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1968

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