Seiko Cal. 0777 - 502

Seiko 0777-502

The 0777-502 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0777 caliber with 36j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-626656766a2f]

Also known as: Monster, Bullhead

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
8.1mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Green
Jewels
36j
Frequency
36,000 bph
Power Reserve
58 hours
Year
1998

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