Seiko Cal. 6621 - 345

The Seiko 6621-345 represents an important milestone in Seiko's 1965 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-39da0cc5e099]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1965

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