Seiko Cal. 6665 - 831

Released in 1965, the Cal. 6665 with design code 831 was part of Seiko's domestic market collection. With its 22mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-dd69777fab25]

Also known as: Samurai, Rally

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1965

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