Seiko Cal. 6678 - 616

Released in 1973, the Cal. 6678 with design code 616 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-3b3723cb37af]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1973

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