Seiko Cal. 5610 - 916

The Seiko 5610-916 represents an important milestone in Seiko's 1967 lineup. It features a Black dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-14a588f479aa]

Also known as: Sumo, Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1967

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