Seiko Cal. 5615 - 665

Seiko 5615-665

The Seiko 5615-665 represents an important milestone in Seiko's 1978 lineup. Powered by the 5615 caliber with 28j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-440f7fc30c0a]

Also known as: Samurai, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
8.6mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Cream
Jewels
28j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1978

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