Seiko Cal. 0770 - 923

Seiko 0770-923

The Seiko 0770-923 represents an important milestone in Seiko's 1987 lineup. Powered by the 0770 caliber with 30j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-077fd06fd771]

Also known as: Monster

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
11.3mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
White
Jewels
30j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1987

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seikata-wm-077fd06fd771