Seiko Cal. 6686 - 418

The Seiko 6686-418 represents an important milestone in Seiko's 1968 lineup. Powered by the 6686 caliber with 36j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-c093f44d125f]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1968

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