Seiko Cal. 6131 - 521

The Seiko 6131-521 represents an important milestone in Seiko's 1984 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-66e331ddaea5]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1984

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