Seiko Cal. 4437 - 339

Seiko 4437-339

The 4437-339 is a sought-after Solar piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-a72802d91702]

Also known as: Bullhead, Sportsmatic

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
11.7mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1984

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seikata-wm-a72802d91702