Seiko Cal. 6164 - 896

The 6164-896 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6164 caliber with 21j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-59d2b13a7c59]

Also known as: Bullhead, Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1978

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