Seiko Cal. 6688 - 203

The 6688-203 is a sought-after Hand-Winding piece from Seiko's golden era. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-5eae09cc3e9a]

Also known as: Bullhead, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1988

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