Seiko Cal. 3872 - 336

The Seiko 3872-336 represents an important milestone in Seiko's 1973 lineup. With its 21mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-d9748039eaa4]

Also known as: Tuna, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1973

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