Seiko Cal. 4497 - 307

The Seiko 4497-307 represents an important milestone in Seiko's 1968 lineup. Powered by the 4497 caliber with 30j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-410c787e6c26]

Also known as: Monster, Sea Horse

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1968

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