Seiko Cal. 4440 - 978

Seiko 4440-978

The 4440-978 is a sought-after Kinetic piece from Seiko's golden era. With its 21mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-82750aebf36e]

Also known as: Turtle, Monster

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
11.3mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Green
Jewels
32j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1968

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