Seiko Cal. 3816 - 542

Seiko 3816-542

This Automatic model from 1991 features a 37mm Gold-Plated case. Powered by the 3816 caliber with 31j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-128be8b294f4]

Also known as: Baby Tuna

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
13.5mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Champagne
Jewels
31j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1991

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