Seiko Cal. 5241 - 173

The 5241-173 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5241 caliber with 31j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-98de7be7e6ce]

Also known as: Sumo, Navigator

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1987

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