Seiko Cal. 6172 - 738

The 6172-738 is a sought-after Solar piece from Seiko's golden era. Powered by the 6172 caliber with 36j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-bb4a90009d5b]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1972

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