Seiko Cal. 6642 - 357

Seiko 6642-357

The 6642-357 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-ab8d336c20a4]

Also known as: Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
11.4mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
130m
Dial Color
Green
Jewels
21j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1996

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