Seiko Cal. 7138 - 184

The 7138-184 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7138 caliber with 32j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-3e2569da478d]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Burgundy

Jewels

32j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1971

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