Seiko Cal. 6397 - 413

This Spring Drive model from 1986 features a 37mm Gold-Plated case. With its 21mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-86f8cab83af3]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1986

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