Seiko Cal. 5250 - 855

This Spring Drive model from 1970 features a 43mm Titanium case. Powered by the 5250 caliber with 27j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-3ccc566cb7f8]

Also known as: Helmet, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1970

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