Seiko Cal. 7131 - 315

The Seiko 7131-315 represents an important milestone in Seiko's 1987 lineup. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-107163c9d04d]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1987

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