Seiko Cal. 5660 - 927

The Seiko 5660-927 represents an important milestone in Seiko's 1965 lineup. Powered by the 5660 caliber with 34j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-a0c023bf79ea]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1965

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