Seiko Cal. 6284 - 340

The Seiko 6284-340 represents an important milestone in Seiko's 1968 lineup. Powered by the 6284 caliber with 25j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-561818f47d67]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1968

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