Seiko Cal. 6172 - 445

The 6172-445 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6172 caliber with 27j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-41974405c5f7]

Also known as: Helmet, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1994

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