Seiko Cal. 5677 - 653

The 5677-653 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5677 caliber with 34j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-a86dc92f3990]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1969

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