Seiko Cal. 7139 - 230

The 7139-230 is a sought-after Solar piece from Seiko's golden era. Powered by the 7139 caliber with 32j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-142a49ad7bb5]

Also known as: Shogun, Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1990

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