Seiko Cal. 3891 - 440

The 3891-440 is a sought-after Quartz piece from Seiko's golden era. With its 20mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-ee9af6d36a43]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1983

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