Seiko Cal. 6284 - 961

This Spring Drive model from 1975 features a 43mm Hardlex-Coated Steel case. Powered by the 6284 caliber with 22j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-5bcdcdd67b24]

Also known as: Bullhead, UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1975

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