Seiko Cal. 6172 - 777

Seiko 6172-777

The Seiko 6172-777 represents an important milestone in Seiko's 1975 lineup. Powered by the 6172 caliber with 26j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-7e45ba16ed0f]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
34mm
Case Thickness
8.4mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Champagne
Jewels
26j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1975

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