Seiko Cal. 3858 - 265

Released in 1979, the Cal. 3858 with design code 265 was part of Seiko's domestic market collection. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-ef120dfb9a33]

Also known as: Sumo, UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1979

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