Seiko Cal. 5690 - 813

The 5690-813 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5690 caliber with 36j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-07df36cf3dfb]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1999

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