Seiko Cal. 4438 - 964

The Seiko 4438-964 represents an important milestone in Seiko's 1998 lineup. Powered by the 4438 caliber with 21j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-b80400763c0b]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1998

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