Seiko Cal. 4443 - 438

Seiko 4443-438

The 4443-438 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-d21c4d04de50]

Also known as: Monster, Arnie

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
36mm
Case Thickness
10.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Green
Jewels
31j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1972

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