Seiko Cal. 6398 - 133

The 6398-133 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6398 caliber with 23j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-27a859a2ab54]

Also known as: Monster, Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1968

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