Seiko Cal. 0740 - 878

The Seiko 0740-878 represents an important milestone in Seiko's 1965 lineup. Powered by the 0740 caliber with 35j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-35b980053e73]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1965

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