Seiko Cal. 6388 - 728

The 6388-728 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-e2f25834a30b]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1978

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