Seiko Cal. 6284 - 305

This Spring Drive model from 1968 features a 45mm Gold-Plated case. With its 21mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-c32221264b6e]

Also known as: Bullhead, Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1968

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