Seiko Cal. 7181 - 546

The Seiko 7181-546 represents an important milestone in Seiko's 1970 lineup. With its 21mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-1e6be90e1ffc]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1970

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