Seiko Cal. 4577 - 691

Seiko 4577-691

The 4577-691 is a sought-after Solar piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-8e4cdf24b93e]

Also known as: World Timer

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
14.8mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
50m
Dial Color
Silver
Jewels
19j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1970

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