Seiko Cal. 0725 - 621

The Seiko 0725-621 represents an important milestone in Seiko's 1976 lineup. Powered by the 0725 caliber with 35j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-bc6ebb8fe3bd]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1976

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