Seiko Cal. 6387 - 254

Seiko 6387-254

The Seiko 6387-254 represents an important milestone in Seiko's 1983 lineup. Powered by the 6387 caliber with 30j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-f7a7746d1e69]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
14.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Black
Jewels
30j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1983

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