Seiko Cal. 3878 - 745

The Seiko 3878-745 represents an important milestone in Seiko's 1997 lineup. Powered by the 3878 caliber with 35j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-e7a96c4834c7]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1997

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