Seiko Cal. 5231 - 530

The 5231-530 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-30858b68f8e5]

Also known as: Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1983

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