Seiko Cal. 4491 - 387

This Spring Drive model from 1987 features a 34mm Stainless Steel case. Powered by the 4491 caliber with 22j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-903426b1306c]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1987

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