Seiko Cal. 5620 - 312

The 5620-312 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5620 caliber with 29j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-084afb165cea]

Also known as: UFO, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1983

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