Seiko Cal. 0721 - 637

Seiko 0721-637

The 0721-637 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-c937b436d555]

Also known as: Bullhead, Goldfeather

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
39mm
Case Thickness
12.1mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
White
Jewels
26j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1996

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seikata-wm-c937b436d555