Seiko Cal. 0715 - 640

Seiko 0715-640

The Seiko 0715-640 represents an important milestone in Seiko's 1985 lineup. Powered by the 0715 caliber with 20j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-9b4cb9f68d4d]

Also known as: Sumo, Panda

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
13.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Black
Jewels
20j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1985

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