Seiko Cal. 4497 - 630

Seiko 4497-630

The 4497-630 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-cc9e7c72e85b]

Also known as: World Timer, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
10.3mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Black
Jewels
21j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1980

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