Seiko Cal. 4440 - 491

Seiko 4440-491

This Automatic model from 1977 features a 42mm Stainless Steel case. Powered by the 4440 caliber with 30j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-1c8f28d279cf]

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
13.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Navy
Jewels
30j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1977

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