Seiko Cal. 5665 - 320

The 5665-320 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5665 caliber with 21j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-10fa2d65f01e]

Also known as: Goldfeather, Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1967

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