Seiko Cal. 6642 - 338

The 6642-338 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-91c3511057b9]

Also known as: Shogun, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1965

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