Seiko Cal. 6642 - 443

Seiko 6642-443

The 6642-443 is a sought-after Solar piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-cf69242d22be]

Also known as: Sumo, Silverwave

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
11.6mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
White
Jewels
28j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1984

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