Seiko Cal. 5658 - 330

This Hand-Winding model from 1981 features a 36mm Hardlex-Coated Steel case. Powered by the 5658 caliber with 28j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-21b79a70da8d]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1981

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