Seiko Cal. 0770 - 485

The Seiko 0770-485 represents an important milestone in Seiko's 1972 lineup. Powered by the 0770 caliber with 21j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-211e6979afeb]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1972

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