Seiko Cal. 4537 - 650

Seiko 4537-650

This Automatic model from 1968 features a 36mm Stainless Steel case. Powered by the 4537 caliber with 26j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-7499eb64a703]

Also known as: Navigator

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
9.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Silver
Jewels
26j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1968

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