Seiko Cal. 0765 - 309

Seiko 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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