Seiko Cal. 6257 - 100

This Spring Drive model from 1967 features a 39mm Titanium case. Powered by the 6257 caliber with 19j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-8615ab24b88e]

Also known as: Samurai, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1967

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