Seiko Cal. 6230 - 638

Seiko 6230-638

The Seiko 6230-638 represents an important milestone in Seiko's 1990 lineup. Powered by the 6230 caliber with 31j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-7e76dd9d3f10]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
14.8mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Green
Jewels
31j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1990

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