Seiko Cal. 4516 - 437

Seiko 4516-437

The 4516-437 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-6ef8499c5cf7]

Also known as: Sumo, Navigator

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
9.0mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Cream
Jewels
23j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1979

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