Seiko Cal. 6687 - 207

The 6687-207 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6687 caliber with 33j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-e37ed6343f37]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1974

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