Seiko Cal. 3887 - 770

Seiko 3887-770

The 3887-770 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-e2f07f875a64]

Also known as: Golden Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
14.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
40m
Dial Color
Navy
Jewels
19j
Frequency
28,800 bph
Power Reserve
65 hours
Year
1998

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