Seiko Cal. 5237 - 678

Seiko 5237-678

The Seiko 5237-678 represents an important milestone in Seiko's 1967 lineup. Powered by the 5237 caliber with 26j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-b9e49492b688]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
37mm
Case Thickness
9.5mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
80m
Dial Color
Burgundy
Jewels
26j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1967

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seikata-wm-b9e49492b688