Seiko Cal. 4498 - 639

This Hand-Winding model from 1966 features a 45mm Stainless Steel case. Powered by the 4498 caliber with 35j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-89b9e378ee35]

Also known as: Monster, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1966

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