Seiko Cal. 6664 - 605

The Seiko 6664-605 represents an important milestone in Seiko's 1968 lineup. With its 18mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-c2aefecfef09]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1968

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