Seiko Cal. 7158 - 537

The 7158-537 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7158 caliber with 22j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-61aa9f131915]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1989

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