Seiko Cal. 5664 - 838

The Seiko 5664-838 represents an important milestone in Seiko's 1993 lineup. Powered by the 5664 caliber with 36j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-314058a7d1f3]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1993

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