Seiko Cal. 6689 - 240

The 6689-240 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-01b0db6eee6a]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1973

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