Seiko Cal. 5231 - 426

Released in 1988, the Cal. 5231 with design code 426 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-ab4f7e7c4e0b]

Also known as: Arnie, Flighty

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1988

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