Seiko Cal. 5680 - 365

The Seiko 5680-365 represents an important milestone in Seiko's 1968 lineup. Powered by the 5680 caliber with 24j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-8c5c4f53198d]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1968

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