Seiko Cal. 5693 - 109

The Seiko 5693-109 represents an important milestone in Seiko's 1967 lineup. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ba7bdbf896f4]

Also known as: Tuna, Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1967

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