Seiko Cal. 4563 - 990

Seiko 4563-990

The 4563-990 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-0a4b9c264ae6]

Also known as: Helmet, Navigator

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
41mm
Case Thickness
12.5mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Green
Jewels
27j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1993

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