Seiko Cal. 5665 - 863

Released in 1977, the Cal. 5665 with design code 863 was part of Seiko's domestic market collection. With its 22mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-144dd82ace55]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1977

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