Seiko Cal. 6277 - 315

The 6277-315 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6277 caliber with 34j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-5c76e50ead86]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1987

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