Seiko Cal. 6642 - 891

Seiko 6642-891

The 6642-891 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-b4d62f805bd3]

Also known as: Monster, Baby Tuna

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
39mm
Case Thickness
13.6mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Burgundy
Jewels
29j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1990

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