Seiko Cal. 6310 - 921

Seiko 6310-921

This Solar model from 1987 features a 44mm Hardlex-Coated Steel case. With its 18mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-2e3e622555fd]

Also known as: Golden Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
11.7mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Burgundy
Jewels
20j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1987

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