Seiko Cal. 5613 - 738

Seiko 5613-738

The 5613-738 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5613 caliber with 19j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-57fa785c8da0]

Also known as: Samurai, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
38mm
Case Thickness
10.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
110m
Dial Color
Silver
Jewels
19j
Frequency
36,000 bph
Power Reserve
65 hours
Year
1976

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