Seiko Cal. 3873 - 251

This Automatic model from 1977 features a 37mm Two-Tone case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-7bc2ceec6360]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1977

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