Seiko Cal. 5661 - 507

The Seiko 5661-507 represents an important milestone in Seiko's 1965 lineup. Powered by the 5661 caliber with 33j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-d7eeea2873a7]

Also known as: Shogun, Pogue

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1965

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