Seiko Cal. 4440 - 780

Seiko 4440-780

The 4440-780 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4440 caliber with 27j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-0ec48db38bb1]

Also known as: Sea Horse, Emperor

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
9.9mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Navy
Jewels
27j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1995

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