Seiko Cal. 6178 - 750

Seiko 6178-750

The Seiko 6178-750 represents an important milestone in Seiko's 1998 lineup. Powered by the 6178 caliber with 31j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-9cd090f1b877]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
12.2mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
180m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1998

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