Seiko Cal. 5660 - 385

The Seiko 5660-385 represents an important milestone in Seiko's 1981 lineup. Powered by the 5660 caliber with 34j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-eb06e560f1b1]

Also known as: Rally, Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1981

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