Seiko Cal. 7057 - 657

This Spring Drive model from 1965 features a 42mm Titanium case. Powered by the 7057 caliber with 31j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-80f18378b190]

Also known as: Samurai, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1965

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