Seiko Cal. 6377 - 205

This Spring Drive model from 1990 features a 38mm Hardlex-Coated Steel case. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-bfa7fa072115]

Also known as: UFO, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1990

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