Seiko Cal. 6636 - 345

This Automatic model from 1977 features a 43mm Gold-Plated case. With its 21mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-7ff41c7b3925]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1977

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