Seiko Cal. 4430 - 938

Seiko 4430-938

The 4430-938 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-e5378724ee08]

Also known as: Bullhead

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
8.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Green
Jewels
25j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1987

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