Seiko Cal. 3828 - 434

This Hand-Winding model from 1989 features a 37mm Stainless Steel case. Powered by the 3828 caliber with 29j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-cb3ef815ddde]

Also known as: UFO, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1989

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