Seiko Cal. 4441 - 507

Seiko 4441-507

The 4441-507 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-2cecd8b4d135]

Also known as: Sumo, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
42mm
Case Thickness
9.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Cream
Jewels
26j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1976

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