Seiko Cal. 5231 - 305

The 5231-305 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-b355558d587d]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1976

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