Seiko Cal. 4427 - 272

The 4427-272 is a sought-after Solar piece from Seiko's golden era. Powered by the 4427 caliber with 36j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-3ae4dfa6b330]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1966

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