Seiko Cal. 4531 - 273

The 4531-273 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4531 caliber with 27j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-a354b1e38b8e]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

44mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1987

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