Seiko Cal. 7178 - 987

The Seiko 7178-987 represents an important milestone in Seiko's 1985 lineup. Powered by the 7178 caliber with 18j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-724d72b3ab72]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1985

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