Seiko Cal. 5231 - 706

The Seiko 5231-706 represents an important milestone in Seiko's 1975 lineup. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-6bd1ea1cb5c4]

Also known as: UFO, Crown

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1975

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