Seiko Cal. 6398 - 366

The 6398-366 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6398 caliber with 18j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-a2403c45109b]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1983

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