Seiko Cal. 4492 - 818

This Hand-Winding model from 1965 features a 45mm Hardlex-Coated Steel case. Powered by the 4492 caliber with 18j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-69f2882b3e92]

Also known as: Sumo, Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1965

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