Seiko Cal. 4464 - 638

Seiko 4464-638

The Seiko 4464-638 represents an important milestone in Seiko's 1997 lineup. Powered by the 4464 caliber with 20j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-e6e6f667094d]

Also known as: Sumo, UFO

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
45mm
Case Thickness
13.9mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Cream
Jewels
20j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1997

Related Models

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