Seiko Cal. 4550 - 777

Seiko 4550-777

Released in 1989, the Cal. 4550 with design code 777 was part of Seiko's domestic market collection. Powered by the 4550 caliber with 31j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-436bc7aeeecf]

Also known as: Flighty

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
41mm
Case Thickness
15.5mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Black
Jewels
31j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1989

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