Seiko Cal. 6377 - 653

Released in 1965, the Cal. 6377 with design code 653 was part of Seiko's domestic market collection. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-6a32fb2cf201]

Also known as: Crown, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1965

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