Seiko Cal. 7139 - 308

The 7139-308 is a sought-after Kinetic piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-e5db0359e60e]

Also known as: World Timer, Crown

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1993

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