Seiko Cal. 3813 - 950

The Seiko 3813-950 represents an important milestone in Seiko's 1975 lineup. With its 19mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-361ca5951a3a]

Also known as: Silverwave, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1975

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