Seiko Cal. 6221 - 637

Seiko 6221-637

This Hand-Winding model from 1972 features a 43mm Titanium case. With its 22mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-65beffffafc5]

Also known as: World Timer

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
43mm
Case Thickness
13.7mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Black
Jewels
27j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1972

Related Models

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