Seiko Cal. 5637 - 601

Seiko 5637-601

The Seiko 5637-601 represents an important milestone in Seiko's 1985 lineup. Powered by the 5637 caliber with 36j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-2c9d3a852bde]

Also known as: Sumo, Golden Tuna

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
8.3mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Navy
Jewels
36j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1985

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