Seiko Cal. 7131 - 520

The Seiko 7131-520 represents an important milestone in Seiko's 1999 lineup. Powered by the 7131 caliber with 21j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-46fc6b774909]

Also known as: Turtle, Bellmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1999

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