Seiko Cal. 3872 - 310

The Seiko 3872-310 represents an important milestone in Seiko's 1966 lineup. With its 22mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-9b93fe520fb1]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1966

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