Seiko Cal. 0757 - 387

The Seiko 0757-387 represents an important milestone in Seiko's 1991 lineup. Powered by the 0757 caliber with 27j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-7413fe2051a5]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1991

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