Seiko Cal. 4450 - 627

Seiko 4450-627

The 4450-627 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-e8a10bba8934]

Also known as: Sumo

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
10.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Green
Jewels
25j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1987

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seikata-wm-e8a10bba8934