Seiko Cal. 7139 - 409

This Hand-Winding model from 1996 features a 44mm Stainless Steel case. Powered by the 7139 caliber with 28j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-cf949848d615]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1996

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