Seiko Cal. 6344 - 157

Seiko 6344-157

The 6344-157 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6344 caliber with 30j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-4a21b61ac54a]

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
41mm
Case Thickness
11.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
30m
Dial Color
Navy
Jewels
30j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1978

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