Seiko Cal. 6677 - 354

The 6677-354 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-d38ddefe90d3]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1969

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