Seiko Cal. 0784 - 874

The Seiko 0784-874 represents an important milestone in Seiko's 1971 lineup. Powered by the 0784 caliber with 28j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-14f33f759bed]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1971

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