Seiko Cal. 6616 - 303

The Seiko 6616-303 represents an important milestone in Seiko's 1998 lineup. It features a Black dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-f28caa468eee]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1998

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