Seiko Cal. 6677 - 391

The 6677-391 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-4dbfd54866bd]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1969

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