Seiko Cal. 0778 - 100

The Seiko 0778-100 represents an important milestone in Seiko's 1965 lineup. Powered by the 0778 caliber with 24j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-75142aa8e8d3]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1965

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