Seiko Cal. 6178 - 109

The Seiko 6178-109 represents an important milestone in Seiko's 1981 lineup. Powered by the 6178 caliber with 31j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-dfd186953868]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1981

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