Seiko Cal. 3813 - 547

The Seiko 3813-547 represents an important milestone in Seiko's 1986 lineup. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-4a2c8bde3e13]

Also known as: Sumo, UFO

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1986

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