Seiko Cal. 4478 - 238

Seiko 4478-238

The Seiko 4478-238 represents an important milestone in Seiko's 1995 lineup. Powered by the 4478 caliber with 31j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-e332ac1d19b5]

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
38mm
Case Thickness
15.7mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Silver
Jewels
31j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1995

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