Seiko Cal. 4448 - 135

This Hand-Winding model from 1989 features a 39mm Titanium case. Powered by the 4448 caliber with 23j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-ced57ac1fe54]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1989

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