Seiko Cal. 5620 - 171

The 5620-171 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5620 caliber with 28j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-01bbff1c6650]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1989

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