Seiko Cal. 4515 - 425

The Seiko 4515-425 represents an important milestone in Seiko's 1968 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-9fbb0cfabd94]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1968

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