Seiko Cal. 4415 - 387

Released in 1999, the Cal. 4415 with design code 387 was part of Seiko's domestic market collection. Powered by the 4415 caliber with 21j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-4c95aff65ee6]

Also known as: Sumo, Panda

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1999

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