Seiko Cal. 4565 - 866

Released in 1971, the Cal. 4565 with design code 866 was part of Seiko's domestic market collection. Powered by the 4565 caliber with 32j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-9417fb8da7fb]

Also known as: Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1971

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