Seiko Cal. 4540 - 554

The Seiko 4540-554 represents an important milestone in Seiko's 1998 lineup. It features a Silver dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-37e15a153580]

Also known as: Samurai, Bullhead

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1998

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