Seiko Cal. 4538 - 658

Seiko 4538-658

The Seiko 4538-658 represents an important milestone in Seiko's 1988 lineup. Powered by the 4538 caliber with 17j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-bfc3dcc6c9fd]

Also known as: Rally, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
9.8mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
150m
Dial Color
White
Jewels
17j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1988

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