Seiko Cal. 4440 - 874

Seiko 4440-874

The Seiko 4440-874 represents an important milestone in Seiko's 1971 lineup. Powered by the 4440 caliber with 31j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-7754c1ba510d]

Also known as: Silverwave, Arnie

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
11.8mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Green
Jewels
31j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1971

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seikata-wm-7754c1ba510d