Seiko Cal. 5684 - 845

The 5684-845 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5684 caliber with 21j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-537f2f0ee4ab]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1970

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