Seiko Cal. 6642 - 780

Released in 1989, the Cal. 6642 with design code 780 was part of Seiko's domestic market collection. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-94ecbe9de7c5]

Also known as: Samurai, Sumo

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1989

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