Seiko Cal. 5661 - 627

The Seiko 5661-627 represents an important milestone in Seiko's 1978 lineup. Powered by the 5661 caliber with 35j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-3efad0aab092]

Also known as: Silverwave, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1978

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