Seiko Cal. 6131 - 309

The Seiko 6131-309 represents an important milestone in Seiko's 1982 lineup. It features a Black dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-5c2c765825df]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1982

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