Seiko Cal. 3865 - 440

Seiko 3865-440

Released in 1988, the Cal. 3865 with design code 440 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-c7ee0c11b269]

Also known as: Crown

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
13.7mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Black
Jewels
18j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1988

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