Seiko Cal. 6370 - 431

The Seiko 6370-431 represents an important milestone in Seiko's 1973 lineup. With its 18mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-b82d816a8eb8]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1973

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