Seiko Cal. 4415 - 388

The Seiko 4415-388 represents an important milestone in Seiko's 1990 lineup. Powered by the 4415 caliber with 29j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-a2fae7823be4]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1990

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