Seiko Cal. 6393 - 398

This Hand-Winding model from 1971 features a 36mm Stainless Steel case. Powered by the 6393 caliber with 30j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-aeac9c3812b0]

Also known as: Helmet, Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1971

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