Seiko Cal. 6277 - 270

Seiko 6277-270

The 6277-270 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6277 caliber with 21j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-ff16beb44e38]

Also known as: Helmet, Baby Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
46mm
Case Thickness
11.3mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
170m
Dial Color
White
Jewels
21j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1977

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