Seiko Cal. 4415 - 127

This Spring Drive model from 1974 features a 37mm Hardlex-Coated Steel case. Powered by the 4415 caliber with 23j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-3d32717cdaa7]

Also known as: UFO, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1974

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