Seiko Cal. 0730 - 743

This Quartz model from 1974 features a 39mm Hardlex-Coated Steel case. Powered by the 0730 caliber with 18j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-9a43150dc473]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1974

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