Seiko Cal. 0777 - 171

Seiko 0777-171

The Seiko 0777-171 represents an important milestone in Seiko's 1970 lineup. Powered by the 0777 caliber with 18j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-e908578efff0]

Also known as: UFO, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
39mm
Case Thickness
9.2mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
140m
Dial Color
Black
Jewels
18j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1970

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