Seiko Cal. 6616 - 936

The Seiko 6616-936 represents an important milestone in Seiko's 1994 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-625b52b9f43f]

Also known as: Sumo, Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1994

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