Seiko Cal. 5637 - 340

Seiko 5637-340

This Kinetic model from 1991 features a 36mm Titanium case. Powered by the 5637 caliber with 27j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-8f438b9aed58]

Also known as: Golden Tuna

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
36mm
Case Thickness
15.9mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Green
Jewels
27j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1991

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