Seiko Cal. 5685 - 183

The Seiko 5685-183 represents an important milestone in Seiko's 1977 lineup. Powered by the 5685 caliber with 36j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-16aa61d67143]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1977

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