Seiko Cal. 6671 - 500

The 6671-500 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6671 caliber with 31j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-6f83ec297b0b]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1977

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