Seiko Cal. 4499 - 864

This Hand-Winding model from 1971 features a 37mm Titanium case. Powered by the 4499 caliber with 23j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-ea8ed6a4ce1f]

Also known as: Sumo, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1971

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