Seiko Cal. 7131 - 410

The 7131-410 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7131 caliber with 24j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-4a594ebf321f]

Also known as: Bellmatic, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1989

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