Seiko Cal. 0728 - 934

This Quartz model from 1975 features a 34mm Two-Tone case. Powered by the 0728 caliber with 24j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-61b27498816f]

Also known as: Tuna, World Timer

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1975

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