Seiko Cal. 5270 - 442

The 5270-442 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5270 caliber with 20j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-72e117fdf8f3]

Also known as: Silverwave, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1989

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