Seiko Cal. 3884 - 135

The Seiko 3884-135 represents an important milestone in Seiko's 1970 lineup. With its 21mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-5e8df0dfff15]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1970

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