Seiko Cal. 5634 - 916

The 5634-916 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5634 caliber with 34j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-64ed19ccdd4f]

Also known as: Monster, Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1967

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