Seiko Cal. 0710 - 439

The 0710-439 is a sought-after Hand-Winding piece from Seiko's golden era. With its 22mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-f4f3da865bab]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1980

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