Seiko Cal. 5628 - 172

The 5628-172 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5628 caliber with 27j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-68941aafe2d7]

Also known as: Monster, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1987

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