Seiko Cal. 4515 - 312

Released in 1976, the Cal. 4515 with design code 312 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-627bd8dd2fab]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1976

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