Seiko Cal. 4552 - 715

This Spring Drive model from 1973 features a 44mm Stainless Steel case. Powered by the 4552 caliber with 35j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-25e61e0015a8]

Also known as: Monster, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1973

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