Seiko Cal. 6178 - 246

The Seiko 6178-246 represents an important milestone in Seiko's 1981 lineup. Powered by the 6178 caliber with 30j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-d1724d11c229]

Also known as: Tuna, Navigator

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1981

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