Seiko Cal. 6645 - 936

This Automatic model from 1979 features a 46mm Titanium case. Powered by the 6645 caliber with 34j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-7621def5f411]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1979

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