Seiko Cal. 6616 - 337

The Seiko 6616-337 represents an important milestone in Seiko's 1967 lineup. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-449d2c1c54bd]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1967

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