Seiko Cal. 5630 - 341

Released in 1980, the Cal. 5630 with design code 341 was part of Seiko's domestic market collection. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-7dd22404aa43]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1980

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