Seiko Cal. 3850 - 435

The 3850-435 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-012051cb5d26]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1972

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