Seiko Cal. 4545 - 687

This Spring Drive model from 1972 features a 43mm Titanium case. Powered by the 4545 caliber with 32j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-38ca5d26e050]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1972

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