Seiko Cal. 4547 - 120

The Seiko 4547-120 represents an important milestone in Seiko's 1977 lineup. Powered by the 4547 caliber with 27j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-b079b5d42e0c]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1977

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