Seiko Cal. 4471 - 660

The 4471-660 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4471 caliber with 21j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-d3ea2d2fa0d0]

Also known as: Turtle, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1999

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