Seiko Cal. 7057 - 850

This Spring Drive model from 1990 features a 36mm Titanium case. Powered by the 7057 caliber with 33j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-caf2101ea595]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1990

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