Seiko Cal. 6277 - 742

The 6277-742 is a sought-after Automatic piece from Seiko's golden era. With its 20mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-348af7acc1a2]

Also known as: Sumo, UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1967

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