Seiko Cal. 4512 - 904

The Seiko 4512-904 represents an important milestone in Seiko's 1967 lineup. Powered by the 4512 caliber with 28j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-e9309e40a59b]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1967

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