Seiko Cal. 3864 - 133

This Spring Drive model from 1973 features a 37mm Gold-Plated case. It features a Silver dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-15ff421dfb5e]

Also known as: Bullhead, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1973

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