Seiko Cal. 6637 - 947

This Automatic model from 1983 features a 39mm Two-Tone case. With its 18mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-7c59d886df61]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1983

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