Seiko Cal. 6138 - 647

The 6138-647 is a sought-after Kinetic piece from Seiko's golden era. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-27ea42ecf504]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1991

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