Seiko Cal. 3817 - 536

This Spring Drive model from 1993 features a 46mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-a3ceb0dca88d]

Also known as: World Timer, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1993

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