Seiko Cal. 5627 - 654

This Spring Drive model from 1989 features a 40mm PVD Black case. Powered by the 5627 caliber with 26j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-bce81ff845d8]

Also known as: UFO, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1989

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