Seiko Cal. 6621 - 321

The Seiko 6621-321 represents an important milestone in Seiko's 1996 lineup. It features a Navy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-2a3c4c33f6f5]

Also known as: Samurai, Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1996

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