Seiko Cal. 5281 - 536

The 5281-536 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5281 caliber with 30j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-05cc598c72e4]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1987

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