Seiko Cal. 0765 - 309

The Seiko 0765-309 represents an important milestone in Seiko's 1981 lineup. Powered by the 0765 caliber with 32j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-fddd406ced9c]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1981

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