Seiko Cal. 4510 - 425

The Seiko 4510-425 represents an important milestone in Seiko's 1965 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-9c806662327f]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1965

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