Seiko Cal. 0776 - 613

The Seiko 0776-613 represents an important milestone in Seiko's 1976 lineup. Powered by the 0776 caliber with 36j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-7ba2e46f1ea7]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1976

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