Seiko Cal. 6397 - 309

This Hand-Winding model from 1967 features a 36mm Two-Tone case. With its 22mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-7a0426756bf0]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1967

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