Seiko Cal. 5271 - 383

The 5271-383 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5271 caliber with 25j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-ce1563da2916]

Also known as: Turtle, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1970

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