Seiko Cal. 4460 - 393

The Seiko 4460-393 represents an important milestone in Seiko's 1970 lineup. Powered by the 4460 caliber with 33j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-3fdb5a3ae86f]

Also known as: Monster, Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1970

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