Seiko Cal. 4421 - 964

Seiko 4421-964

The Seiko 4421-964 represents an important milestone in Seiko's 1992 lineup. Powered by the 4421 caliber with 25j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-738beac21b34]

Also known as: Turtle, Helmet

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
44mm
Case Thickness
11.7mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Burgundy
Jewels
25j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1992

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seikata-wm-738beac21b34