Seiko Cal. 4491 - 136

Seiko 4491-136

The 4491-136 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-53ce29165b20]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
35mm
Case Thickness
15.9mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
White
Jewels
31j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1979

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