Seiko Cal. 5645 - 722

Seiko 5645-722

This Automatic model from 1972 features a 39mm Stainless Steel case. With its 18mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-02c2fcd19040]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
9.2mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
100m
Dial Color
Navy
Jewels
31j
Frequency
36,000 bph
Power Reserve
68 hours
Year
1972

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seikata-wm-02c2fcd19040