Seiko Cal. 5257 - 423

The Seiko 5257-423 represents an important milestone in Seiko's 1995 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-66f8670b50d8]

Also known as: Helmet, Bellmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1995

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