Seiko Cal. 6178 - 938

The Seiko 6178-938 represents an important milestone in Seiko's 1988 lineup. Powered by the 6178 caliber with 34j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-13f59f714f7a]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1988

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