Seiko Cal. 3815 - 551

This Quartz model from 1975 features a 42mm Gold-Plated case. It features a Black dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-67a0acca3509]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1975

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