Seiko Cal. 7147 - 977

The Seiko 7147-977 represents an important milestone in Seiko's 1987 lineup. Powered by the 7147 caliber with 34j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-ac0b9cffd84e]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1987

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