Seiko Cal. 5231 - 836

The 5231-836 is a sought-after Kinetic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-d86512c381ea]

Also known as: Sumo, Navigator

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1966

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