Seiko Cal. 0730 - 410

This Quartz model from 1969 features a 35mm Hardlex-Coated Steel case. Powered by the 0730 caliber with 28j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-dddff7be6ddd]

Also known as: Shogun, Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1969

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