Seiko Cal. 6371 - 561

This Spring Drive model from 1979 features a 45mm Two-Tone case. With its 20mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-89d81f16f2e3]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1979

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