Seiko Cal. 5627 - 603

The 5627-603 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5627 caliber with 23j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-5e04937f844f]

Also known as: Sumo, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1989

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