Seiko Cal. 0740 - 971

The 0740-971 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-4b09577a569b]

Also known as: Sumo, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1986

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