Seiko Cal. 4427 - 266

The 4427-266 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4427 caliber with 21j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-6420fe23c271]

Also known as: Helmet, Rally

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1991

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