Seiko Cal. 4431 - 230

The Seiko 4431-230 represents an important milestone in Seiko's 1969 lineup. With its 20mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-879c93bd3986]

Also known as: Sumo, Panda

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1969

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