Seiko Cal. 6355 - 680

The Seiko 6355-680 represents an important milestone in Seiko's 1966 lineup. Powered by the 6355 caliber with 20j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-657fed2fae32]

Also known as: Bullhead, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1966

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