Seiko Cal. 5615 - 304

Seiko 5615-304

The Seiko 5615-304 represents an important milestone in Seiko's 1977 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-2cf64deab8de]

Also known as: Bullhead, Sportsmatic

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
37mm
Case Thickness
15.5mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Burgundy
Jewels
33j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1977

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