Seiko Cal. 4415 - 601

The 4415-601 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4415 caliber with 28j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-0590dfb8a0db]

Also known as: Monster, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1986

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