Seiko Cal. 5231 - 999

The Seiko 5231-999 represents an important milestone in Seiko's 1992 lineup. It features a Navy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-f9f9cf2af676]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1992

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