Seiko Cal. 5666 - 455

The Seiko 5666-455 represents an important milestone in Seiko's 1967 lineup. With its 22mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-dec5e6d48576]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1967

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