Seiko Cal. 4578 - 174

The Seiko 4578-174 represents an important milestone in Seiko's 1970 lineup. Powered by the 4578 caliber with 33j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-c97d6fc129ae]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1970

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