Seiko Cal. 4440 - 927

Seiko 4440-927

This Automatic model from 1980 features a 43mm Two-Tone case. Powered by the 4440 caliber with 21j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-ac19d07f9fb8]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
43mm
Case Thickness
9.2mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Navy
Jewels
21j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1980

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