Seiko Cal. 0740 - 537

This Quartz model from 1971 features a 36mm Stainless Steel case. Powered by the 0740 caliber with 19j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-c2a31088791c]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1971

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