Seiko Cal. 4431 - 963

This Quartz model from 1987 features a 45mm Stainless Steel case. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-d4a57e0f545b]

Also known as: Tuna, Pogue

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1987

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