Seiko Cal. 5627 - 557

The Seiko 5627-557 represents an important milestone in Seiko's 1968 lineup. Powered by the 5627 caliber with 31j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-e496da894ffa]

Also known as: Bellmatic, Arnie

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1968

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