Seiko Cal. 4440 - 275

Seiko 4440-275

The 4440-275 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-884281537ae3]

Also known as: Rally, World Timer

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
9.6mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Blue Sunburst
Jewels
26j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1981

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