Seiko Cal. 7028 - 769

This Hand-Winding model from 1977 features a 34mm PVD Black case. Powered by the 7028 caliber with 25j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-f1e3ee1b25e9]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1977

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