Seiko Cal. 4541 - 375

This Hand-Winding model from 1973 features a 36mm Titanium case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-eca66f7d6250]

Also known as: Tuna, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1973

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