Seiko Cal. 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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