Seiko Cal. 4548 - 390

This Automatic model from 1999 features a 37mm Hardlex-Coated Steel case. With its 19mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-f3bb0de4dfef]

Also known as: Bullhead, Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1999

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