Seiko Cal. 7057 - 677

The Seiko 7057-677 represents an important milestone in Seiko's 1967 lineup. Powered by the 7057 caliber with 33j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-3f21744284a8]

Also known as: Sumo, Rally

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1967

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