Seiko Cal. 7136 - 285

Seiko 7136-285

The Seiko 7136-285 represents an important milestone in Seiko's 1972 lineup. Powered by the 7136 caliber with 23j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-948530384b13]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
10.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
80m
Dial Color
White
Jewels
23j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1972

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seikata-wm-948530384b13