Seiko Cal. 5231 - 217

The 5231-217 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-37bbe9010e53]

Also known as: Samurai, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1978

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