Seiko Cal. 5660 - 127

The Seiko 5660-127 represents an important milestone in Seiko's 1970 lineup. Powered by the 5660 caliber with 28j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-e9f1ba4ab121]

Also known as: Turtle, Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1970

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