Seiko Cal. 4456 - 997

The Seiko 4456-997 represents an important milestone in Seiko's 1972 lineup. Powered by the 4456 caliber with 29j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-d9d4c9113838]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1972

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