Seiko Cal. 6397 - 746

This Hand-Winding model from 1970 features a 36mm Stainless Steel case. Powered by the 6397 caliber with 23j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-3af44dcac0c9]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1970

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