Seiko Cal. 7122 - 548

The Seiko 7122-548 represents an important milestone in Seiko's 1971 lineup. Powered by the 7122 caliber with 19j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-6d67a69097f2]

Also known as: Monster, Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1971

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