Seiko Cal. 0784 - 231

Seiko 0784-231

The 0784-231 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-333c173fb106]

Also known as: Monster, Sumo

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
9.8mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Black
Jewels
24j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1986

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