Seiko Cal. 5643 - 158

Seiko 5643-158

The Seiko 5643-158 represents an important milestone in Seiko's 1965 lineup. Powered by the 5643 caliber with 21j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-b069241cb8f6]

Also known as: Rally, Baby Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
14.0mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
White
Jewels
21j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1965

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