Seiko Cal. 5610 - 845

The Seiko 5610-845 represents an important milestone in Seiko's 1970 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-438afb1771fc]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1970

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