Seiko Cal. 7057 - 813

The Seiko 7057-813 represents an important milestone in Seiko's 1967 lineup. Powered by the 7057 caliber with 24j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-550ae3e054eb]

Also known as: World Timer, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1967

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