Seiko Cal. 0739 - 102

The 0739-102 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0739 caliber with 21j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-1e9d8c2c73ff]

Also known as: Turtle, Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1974

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