Seiko Cal. 6642 - 913

This Automatic model from 1976 features a 44mm Two-Tone case. With its 21mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-5db10204206e]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1976

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