Seiko Cal. 4435 - 666

The Seiko 4435-666 represents an important milestone in Seiko's 1991 lineup. With its 21mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-78473ce49dc4]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1991

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