Seiko Cal. 5231 - 992

The Seiko 5231-992 represents an important milestone in Seiko's 1972 lineup. It features a Silver dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-408fcba2d4aa]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1972

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