Seiko Cal. 0787 - 378

Seiko 0787-378

This Quartz model from 1977 features a 40mm Hardlex-Coated Steel case. Powered by the 0787 caliber with 28j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-4cea11a670ec]

Also known as: Tuna, Crown

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
8.5mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Navy
Jewels
28j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1977

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