Seiko Cal. 3838 - 999

The Seiko 3838-999 represents an important milestone in Seiko's 1987 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-9789cbe5e84f]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1987

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