Seiko Cal. 6370 - 993

The Seiko 6370-993 represents an important milestone in Seiko's 1974 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-f451c419062a]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1974

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