Seiko Cal. 6657 - 833

The 6657-833 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-aed31da2dabd]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1966

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