Seiko Cal. 5659 - 266

This Spring Drive model from 1972 features a 37mm Titanium case. Powered by the 5659 caliber with 35j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-2d72f789b295]

Also known as: Turtle, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1972

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