Seiko Cal. 4427 - 280

Released in 1968, the Cal. 4427 with design code 280 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-399aa016a60b]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1968

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