Seiko Cal. 5620 - 687

The 5620-687 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5620 caliber with 33j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-98bafb23c574]

Also known as: Monster, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1983

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