Seiko Cal. 5678 - 912

Seiko 5678-912

The 5678-912 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5678 caliber with 24j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-efae562448a2]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
15.8mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Silver
Jewels
24j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1981

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