Seiko Cal. 5240 - 107

Seiko 5240-107

The Seiko 5240-107 represents an important milestone in Seiko's 1978 lineup. Powered by the 5240 caliber with 19j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-efa72d5d01a9]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
37mm
Case Thickness
10.2mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
White
Jewels
19j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1978

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