Seiko Cal. 0768 - 250

This Spring Drive model from 1988 features a 40mm Stainless Steel case. Powered by the 0768 caliber with 23j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-9bbd6287f16f]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1988

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