Seiko Cal. 4472 - 817

The Seiko 4472-817 represents an important milestone in Seiko's 1970 lineup. Powered by the 4472 caliber with 36j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-5567119d7e2f]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1970

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