Seiko Cal. 5664 - 127

The Seiko 5664-127 represents an important milestone in Seiko's 1976 lineup. Powered by the 5664 caliber with 17j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-3889afd273ec]

Also known as: Samurai, Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1976

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