Seiko Cal. 6678 - 984

This Automatic model from 1988 features a 37mm Titanium case. Powered by the 6678 caliber with 31j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-28d32e1be685]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1988

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