Seiko Cal. 0719 - 437

The Seiko 0719-437 represents an important milestone in Seiko's 1973 lineup. Powered by the 0719 caliber with 25j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-fae820d2a7c3]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1973

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