Seiko Cal. 6131 - 416

Seiko 6131-416

This Automatic model from 1966 features a 36mm PVD Black case. Powered by the 6131 caliber with 30j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-91026d01433e]

Also known as: Turtle, Crown

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
36mm
Case Thickness
9.4mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Silver
Jewels
30j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1966

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seikata-wm-91026d01433e