Seiko Cal. 6161 - 437

Seiko 6161-437

The 6161-437 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6161 caliber with 21j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-974aeb27d925]

Also known as: Baby Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
41mm
Case Thickness
8.8mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Burgundy
Jewels
21j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1968

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