Seiko Cal. 3899 - 905

Seiko 3899-905

This Quartz model from 1972 features a 43mm Two-Tone case. Powered by the 3899 caliber with 36j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-ee665f976d4e]

Also known as: Bullhead, World Timer

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
43mm
Case Thickness
8.9mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Silver
Jewels
36j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1972

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