Seiko Cal. 5661 - 627

The Seiko 5661-627 represents an important milestone in Seiko's 1987 lineup. Powered by the 5661 caliber with 19j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-551b7255f224]

Also known as: Monster, Rally

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

19j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1987

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