Seiko Cal. 6642 - 698

The 6642-698 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-0353b82fa8e0]

Also known as: Shogun, Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1967

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