Seiko Cal. 3898 - 172

The 3898-172 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3898 caliber with 22j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-4f5cd5ca3902]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1969

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