Seiko Cal. 3818 - 125

The 3818-125 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3818 caliber with 27j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-e93ea329bdd1]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1986

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