Seiko Cal. 3813 - 354

This Spring Drive model from 1977 features a 39mm Two-Tone case. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-c8dd4742d720]

Also known as: Crown, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1977

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