Seiko Cal. 6671 - 641

This Spring Drive model from 1988 features a 45mm Two-Tone case. With its 18mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-8f369007e05c]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1988

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