Seiko Cal. 6230 - 637

Seiko 6230-637

This Quartz model from 1988 features a 40mm Hardlex-Coated Steel case. Powered by the 6230 caliber with 30j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-cdbd4c2ce1b6]

Also known as: Shogun, Baby Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
11.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
100m
Dial Color
Green
Jewels
30j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1988

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