Seiko Cal. 5620 - 854

The 5620-854 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5620 caliber with 29j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-4f8473dc9fb9]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1969

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