Seiko Cal. 4440 - 712

Seiko 4440-712

The 4440-712 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4440 caliber with 19j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-23f31288c83b]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
42mm
Case Thickness
8.4mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
150m
Dial Color
White
Jewels
19j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1997

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