Seiko Cal. 4425 - 405

The Seiko 4425-405 represents an important milestone in Seiko's 1977 lineup. Powered by the 4425 caliber with 21j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-3d8895fc56ea]

Also known as: Monster, Flighty

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1977

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