Seiko Cal. 0784 - 138

The 0784-138 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-f7816bc1ad4a]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1993

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