Seiko Cal. 0730 - 274

This Spring Drive model from 1976 features a 38mm Stainless Steel case. Powered by the 0730 caliber with 32j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-ad0a2b0fbe72]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1976

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