Seiko Cal. 4457 - 737

Seiko 4457-737

The 4457-737 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-3b3877605ecd]

Also known as: Sumo, Silverwave

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
9.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Black
Jewels
19j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1966

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