Seiko Cal. 6371 - 425

The Seiko 6371-425 represents an important milestone in Seiko's 1977 lineup. With its 20mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-9aa307305f49]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1977

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