Seiko Cal. 6253 - 402

Seiko 6253-402

The 6253-402 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6253 caliber with 18j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-928d06ae97f2]

Also known as: Tuna, World Timer

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
15.7mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Green
Jewels
18j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1978

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