Seiko Cal. 4426 - 405

Seiko 4426-405

The 4426-405 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-e31ace096a1c]

Also known as: Helmet, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
14.0mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Cream
Jewels
17j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1969

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