Seiko Cal. 6642 - 238

The 6642-238 is a sought-after Solar piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-1179f2ba1dbe]

Also known as: Navigator, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1978

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