Seiko Cal. 3816 - 903

The Seiko 3816-903 represents an important milestone in Seiko's 1975 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-da233eb5f673]

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1975

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