Seiko Cal. 5231 - 400

The Seiko 5231-400 represents an important milestone in Seiko's 1993 lineup. It features a Silver dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-f2ac2fb74c6d]

Also known as: Samurai, Rally

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1993

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