Seiko Cal. 4450 - 677

Seiko 4450-677

The Seiko 4450-677 represents an important milestone in Seiko's 1999 lineup. Powered by the 4450 caliber with 17j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-742bbffb0aba]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
37mm
Case Thickness
8.3mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Navy
Jewels
17j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1999

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