Seiko Cal. 6187 - 604

Seiko 6187-604

The Seiko 6187-604 represents an important milestone in Seiko's 1978 lineup. Powered by the 6187 caliber with 20j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-96b62ee3792f]

Also known as: Golden Tuna

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
44mm
Case Thickness
11.7mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1978

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