Seiko Cal. 6257 - 737

Seiko 6257-737

This Solar model from 1987 features a 42mm Two-Tone case. Powered by the 6257 caliber with 35j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-4addef351c24]

Also known as: Shogun, Tuna

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
42mm
Case Thickness
13.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Blue Sunburst
Jewels
35j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1987

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