Seiko Cal. 3888 - 660

The 3888-660 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3888 caliber with 33j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-7d6a5f9d0b72]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1972

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