Seiko Cal. 5646 - 307

The Seiko 5646-307 represents an important milestone in Seiko's 1986 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-c0734041db25]

Also known as: Silverwave, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1986

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