Seiko Cal. 5291 - 371

This Solar model from 1976 features a 40mm Titanium case. Powered by the 5291 caliber with 23j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-5e2bafae6c12]

Also known as: Turtle, Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1976

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