Seiko Cal. 4489 - 931

Seiko 4489-931

This Quartz model from 1978 features a 38mm PVD Black case. Powered by the 4489 caliber with 32j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-d0fc1749a0b8]

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
38mm
Case Thickness
14.7mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Navy
Jewels
32j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1978

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