Seiko Cal. 4540 - 373

The Seiko 4540-373 represents an important milestone in Seiko's 1976 lineup. With its 22mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-7f0a5e9957f5]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1976

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