Seiko Cal. 6178 - 639

The Seiko 6178-639 represents an important milestone in Seiko's 1986 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-3d45987a3df1]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1986

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