Seiko Cal. 6616 - 186

The Seiko 6616-186 represents an important milestone in Seiko's 1968 lineup. Powered by the 6616 caliber with 22j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-cbda2df043ab]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1968

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