Seiko Cal. 5223 - 637

Seiko 5223-637

The 5223-637 is a sought-after Quartz piece from Seiko's golden era. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-b01fc5944c49]

Also known as: UFO

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
44mm
Case Thickness
9.2mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
160m
Dial Color
Navy
Jewels
24j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1975

Related Models

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