Seiko Cal. 5687 - 909

This Hand-Winding model from 1983 features a 36mm Hardlex-Coated Steel case. Powered by the 5687 caliber with 26j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-c39a9313797c]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1983

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