Seiko Cal. 4556 - 292

The Seiko 4556-292 represents an important milestone in Seiko's 1985 lineup. Powered by the 4556 caliber with 18j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-9484329a96b6]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1985

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