Seiko Cal. 6385 - 307

Seiko 6385-307

The 6385-307 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6385 caliber with 31j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-bac93b6b7364]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
13.3mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Cream
Jewels
31j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1994

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