Seiko Cal. 7017 - 225

The Seiko 7017-225 represents an important milestone in Seiko's 1972 lineup. Powered by the 7017 caliber with 21j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-1c90ed5843f4]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1972

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