Seiko Cal. 5231 - 409

The Seiko 5231-409 represents an important milestone in Seiko's 1970 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-1cee277159ac]

Also known as: Turtle, Silverwave

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

44mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1970

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