Seiko Cal. 4440 - 991

Seiko 4440-991

The Seiko 4440-991 represents an important milestone in Seiko's 1969 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-5d47805ac82b]

Also known as: Tuna, Silverwave

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
14.9mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
70m
Dial Color
Navy
Jewels
19j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1969

Related Models

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