Seiko Cal. 7025 - 397

The Seiko 7025-397 represents an important milestone in Seiko's 1980 lineup. Powered by the 7025 caliber with 21j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-019b8472fc8b]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1980

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