Seiko Cal. 0731 - 311

The 0731-311 is a sought-after Kinetic piece from Seiko's golden era. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-14cf15cae3c3]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1979

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