Seiko Cal. 4427 - 290

The Seiko 4427-290 represents an important milestone in Seiko's 1987 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-aa8c1597a149]

Also known as: Pogue, Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1987

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