Seiko Cal. 6687 - 352

The Seiko 6687-352 represents an important milestone in Seiko's 1983 lineup. Powered by the 6687 caliber with 30j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-6819c375603e]

Also known as: Bullhead, Silverwave

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1983

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