Seiko Cal. 0781 - 603

This Spring Drive model from 1970 features a 46mm Stainless Steel case. Powered by the 0781 caliber with 34j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-82ff53b519e5]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1970

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