Seiko Cal. 6689 - 206

The 6689-206 is a sought-after Automatic piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-2890a38389ea]

Also known as: Sumo, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1968

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