Seiko Cal. 3858 - 689

The Seiko 3858-689 represents an important milestone in Seiko's 1965 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-ba202024044d]

Also known as: Sumo, UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1965

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