Seiko Cal. 4433 - 712

Seiko 4433-712

The 4433-712 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-4f267a46e4f5]

Also known as: Sumo, Sea Horse

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
9.1mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Silver
Jewels
29j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1975

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