Seiko Cal. 5672 - 686

The 5672-686 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5672 caliber with 29j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-190502ce250c]

Also known as: Tuna, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1984

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