Seiko Cal. 7055 - 347

The Seiko 7055-347 represents an important milestone in Seiko's 1987 lineup. Powered by the 7055 caliber with 36j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-70f9d4b158d0]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1987

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