Seiko Cal. 6636 - 658

Seiko 6636-658

This Automatic model from 1976 features a 44mm Hardlex-Coated Steel case. With its 22mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-ffbe9d140125]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
10.4mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
36j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1976

Related Models

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