Seiko Cal. 6636 - 172

Seiko 6636-172

This Automatic model from 1994 features a 39mm Stainless Steel case. Powered by the 6636 caliber with 18j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-562bcf81e89f]

Also known as: Monster, Baby Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
11.0mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
200m
Dial Color
Navy
Jewels
18j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1994

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