Seiko Cal. 6686 - 547

The Seiko 6686-547 represents an important milestone in Seiko's 1977 lineup. Powered by the 6686 caliber with 32j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-82952d433099]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1977

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