Seiko Cal. 6637 - 152

Seiko 6637-152

This Automatic model from 1992 features a 41mm Two-Tone case. Powered by the 6637 caliber with 26j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-d4c5dcdb4298]

Also known as: Panda, Bullhead

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
41mm
Case Thickness
9.9mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Navy
Jewels
26j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1992

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seikata-wm-d4c5dcdb4298