Seiko Cal. 6371 - 384

This Spring Drive model from 1988 features a 44mm Hardlex-Coated Steel case. With its 18mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-60e6ee6cd26b]

Also known as: Monster, Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1988

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