Seiko Cal. 4560 - 140

This Spring Drive model from 1988 features a 43mm Titanium case. Powered by the 4560 caliber with 20j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-70b05106f4bf]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1988

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