Seiko Cal. 0770 - 141

The Seiko 0770-141 represents an important milestone in Seiko's 1973 lineup. Powered by the 0770 caliber with 31j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-1991e822a5a2]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1973

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