Seiko Cal. 7139 - 901

The 7139-901 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-a99c39a0e66f]

Also known as: Tuna, Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1989

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