Seiko Cal. 4444 - 637

Seiko 4444-637

The 4444-637 is a sought-after Kinetic piece from Seiko's golden era. With its 20mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-5085c51f5e5c]

Also known as: Helmet

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
35mm
Case Thickness
10.9mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Silver
Jewels
34j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1996

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