Seiko Cal. 0721 - 766

This Spring Drive model from 1992 features a 37mm Titanium case. Powered by the 0721 caliber with 28j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-f22163a01081]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1992

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