Seiko Cal. 6644 - 409

The Seiko 6644-409 represents an important milestone in Seiko's 1994 lineup. Powered by the 6644 caliber with 31j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-b3791402c0bf]

Also known as: Monster, Emperor

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1994

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