Seiko Cal. 7139 - 341

The 7139-341 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-82c785fde654]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1989

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