Seiko Cal. 5644 - 836

Seiko 5644-836

The Seiko 5644-836 represents an important milestone in Seiko's 1983 lineup. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-facb5dda316d]

Also known as: Monster, Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
10.0mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Silver
Jewels
25j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1983

Related Models

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