Seiko Cal. 6173 - 540

The 6173-540 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6173 caliber with 25j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-1df23f7262b6]

Also known as: Panda, Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1966

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