Seiko Cal. 4415 - 903

The Seiko 4415-903 represents an important milestone in Seiko's 1973 lineup. Powered by the 4415 caliber with 33j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-35f32ab1c794]

Also known as: Shogun, UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1973

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