Seiko Cal. 4431 - 415

The Seiko 4431-415 represents an important milestone in Seiko's 1996 lineup. It features a Green dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-ce15d3d55dbf]

Also known as: Sumo, Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1996

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