Seiko Cal. 3865 - 389

Seiko 3865-389

The Seiko 3865-389 represents an important milestone in Seiko's 1970 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-fd06d82cba6a]

Also known as: Tuna

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
15.5mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Burgundy
Jewels
17j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1970

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