Seiko Cal. 6638 - 434

Seiko 6638-434

The 6638-434 is a sought-after Solar piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-77f878e4426f]

Also known as: Navigator

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
12.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1968

Related Models

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