Seiko Cal. 4537 - 694

Seiko 4537-694

This Automatic model from 1971 features a 38mm PVD Black case. Powered by the 4537 caliber with 18j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-027eac2fccd0]

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
38mm
Case Thickness
13.0mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
White
Jewels
18j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1971

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