Seiko Cal. 4449 - 639

This Hand-Winding model from 1991 features a 39mm Titanium case. Powered by the 4449 caliber with 18j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-c9b161d79a3d]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1991

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