Seiko Cal. 0770 - 505

This Spring Drive model from 1967 features a 40mm Stainless Steel case. Powered by the 0770 caliber with 25j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-9340ca03cf06]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1967

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