Seiko Cal. 6178 - 439

The Seiko 6178-439 represents an important milestone in Seiko's 1979 lineup. Powered by the 6178 caliber with 26j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-eddfdc3ffa32]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1979

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