Seiko Cal. 5646 - 498

The Seiko 5646-498 represents an important milestone in Seiko's 1978 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-7cde5ed81547]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1978

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