Seiko Cal. 6178 - 350

The Seiko 6178-350 represents an important milestone in Seiko's 1987 lineup. Powered by the 6178 caliber with 21j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-2867bf6348b6]

Also known as: Shogun, Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1987

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