Seiko Cal. 6616 - 574

This Solar model from 1977 features a 36mm Titanium case. Powered by the 6616 caliber with 17j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-b7a9bce8ea06]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1977

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