Seiko Cal. 4431 - 162

The Seiko 4431-162 represents an important milestone in Seiko's 1965 lineup. Powered by the 4431 caliber with 18j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-db21ae83162b]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1965

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