Seiko Cal. 0731 - 484

The 0731-484 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-08411f4764c0]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1987

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