Seiko Cal. 6398 - 630

The Seiko 6398-630 represents an important milestone in Seiko's 1974 lineup. Powered by the 6398 caliber with 35j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-5236a6bd8d41]

Also known as: Turtle, Monster

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1974

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