Seiko Cal. 7131 - 595

The 7131-595 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7131 caliber with 30j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-892cf36d9a68]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1987

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