Seiko Cal. 6642 - 210

The 6642-210 is a sought-after Solar piece from Seiko's golden era. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-1dacd81c69a3]

Also known as: Tuna, Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1972

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