Seiko Cal. 4497 - 305

This Hand-Winding model from 1975 features a 39mm PVD Black case. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-1e1ce01fa186]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1975

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