Seiko Cal. 6642 - 749

Seiko 6642-749

The 6642-749 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6642 caliber with 22j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-8ff0005cf988]

Also known as: Turtle, Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
14.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
150m
Dial Color
Silver
Jewels
22j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1986

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