Seiko Cal. 4422 - 409

The Seiko 4422-409 represents an important milestone in Seiko's 1998 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-e13d134eae9d]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1998

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