Seiko Cal. 5277 - 436

Seiko 5277-436

The 5277-436 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5277 caliber with 17j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-9a6ec3a9375d]

Also known as: Navigator

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
41mm
Case Thickness
12.2mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Silver
Jewels
17j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1999

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seikata-wm-9a6ec3a9375d