Seiko Cal. 7131 - 843

The Seiko 7131-843 represents an important milestone in Seiko's 1985 lineup. Powered by the 7131 caliber with 29j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-cee2971e0a55]

Also known as: Bellmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1985

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