Seiko Cal. 6383 - 790

Released in 1972, the Cal. 6383 with design code 790 was part of Seiko's domestic market collection. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-5055df1ca49a]

Also known as: Helmet, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1972

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