Seiko Cal. 0787 - 104

The Seiko 0787-104 represents an important milestone in Seiko's 1983 lineup. Powered by the 0787 caliber with 31j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-96a016cff894]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1983

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