Seiko Cal. 0771 - 209

This Spring Drive model from 1980 features a 45mm Gold-Plated case. Powered by the 0771 caliber with 31j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-1974f45add19]

Also known as: Helmet, Rally

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1980

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