Seiko Cal. 4436 - 273

Seiko 4436-273

This Spring Drive model from 1986 features a 43mm Stainless Steel case. Powered by the 4436 caliber with 24j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-a2c25feab5c9]

Also known as: Sumo, Silverwave

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
11.8mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Navy
Jewels
24j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1986

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