Seiko Cal. 4490 - 757

This Automatic model from 1978 features a 41mm Stainless Steel case. Powered by the 4490 caliber with 34j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-436070ae4cae]

Also known as: Bullhead, World Timer

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1978

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