Seiko Cal. 3865 - 778

Seiko 3865-778

The 3865-778 is a sought-after Automatic piece from Seiko's golden era. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-faf419f0597b]

Also known as: Navigator, Arnie

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
11.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
140m
Dial Color
Champagne
Jewels
17j
Frequency
28,800 bph
Power Reserve
65 hours
Year
1999

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