Seiko Cal. 0770 - 845

Released in 1973, the Cal. 0770 with design code 845 was part of Seiko's domestic market collection. Powered by the 0770 caliber with 34j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-5088ad80f29a]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1973

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